NORSCAN INSTRUMENTS LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 6153
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 278
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9207168 Monitoring for disturbance of optical fiberJan 22, 13Dec 08, 15[G01M, G01N]
8736826 Monitoring for disturbance of optical fiberJan 20, 12May 27, 14[G01N, H04B]
7009375 Locating system for a cable system having a backbone and branch cables defining multiple terminationsOct 05, 99Mar 07, 06[G01R]
6459271 Open cable locating for sheathed cablesNov 13, 00Oct 01, 02[G01R]
6437572 Interactive method and apparatus for locating and identifying utilitiesNov 13, 00Aug 20, 02[G08C, G01V]
6194889 Enhancement of tone transmission over cable sheaths for cable locationJun 08, 98Feb 27, 01[G01R]
6181140 Method of estimating the location of a cable break including a means to measure resistive fault levels for cable sectionsJun 08, 98Jan 30, 01[G01R]
5990686 Method and apparatus for locating resistive faults in communication and power cablesJun 18, 96Nov 23, 99[G01R]
D402958 Cable grounding deviceNov 26, 97Dec 22, 98[1303]
5708364 Cable monitoring system with multiple branch terminationsAug 02, 95Jan 13, 98[H04B, G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0016,756 Trace wire for transmission of a tone for locating underground utilities and cablesAbandonedMay 20, 04Jan 27, 05[H01B]
6750401 Trace wire for transmission of a tone for locating underground utilities and cablesExpiredJul 12, 02Jun 15, 04[H01B]
5793590 Coaxial cable protection deviceExpiredJun 18, 97Aug 11, 98[H02H]
4480251 Apparatus to monitor electrical cables, including splice joints and the like, for the ingress of moistureExpiredSep 09, 83Oct 30, 84[G08B]

Top Inventors for This Owner

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